{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "trigger": true, "arguments": ["Subject.Race", "Treatment.Route", "Treatment.Time_elapsed", "Treatment.Dosage", "Treatment.Disorder", "Subject.Age", "Effect", "Treatment", "Subject.Disorder", "Treatment.Drug", "Combination.Drug", "Treatment.Duration", "Subject.Population", "Subject", "Subject.Gender", "Treatment.Freq"]}, {"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Treatment", "Treatment.Drug", "Subject.Age", "Subject", "Subject.Race", "Subject.Population", "Treatment.Disorder", "Treatment.Duration", "Effect", "Combination.Drug", "Subject.Gender", "Treatment.Dosage", "Treatment.Time_elapsed"]}], "input": "Vitiligo associated with alpha-interferon in a patient with chronic active hepatitis C."}
{"adverse event": [{"trigger": "associated ", "arguments": {"Subject.Race": "NAN", "Treatment.Route": "NAN", "Treatment.Time_elapsed": "NAN", "Treatment.Dosage": "NAN", "Treatment.Disorder": "chronic active hepatitis C.", "Subject.Age": "NAN", "Effect": "Vitiligo", "Treatment": "alpha-interferon", "Subject.Disorder": "NAN", "Treatment.Drug": "alpha-interferon", "Combination.Drug": "NAN", "Treatment.Duration": "NAN", "Subject.Population": "NAN", "Subject": "a patient with chronic active hepatitis C.", "Subject.Gender": "NAN", "Treatment.Freq": "NAN"}}], "potential therapeutic event": []}